<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1, user-scalable=no">
    <meta http-equiv="X-UA-Compatible" content="ie=edge,chrome=1">
    <meta name="author" content="李军锋">
    <title></title>
    <style>
       
    *{
        box-sizing: border-box;
    }
    ul{
        padding: 0;
        margin: 0;
        list-style: none;
    }
    .box{
        width: 520px;
        height: 280px;
        margin: 100px auto;
        position: relative;
    }
    .nav li{
        position: absolute;
        top: 0;
        left: 0;
        display: none;
    }
    .nav li.current{
        display: block;
    }
    .xz{
        width: 100%;
        position: absolute;
        left: 0;
        bottom: 20px;
        display: flex;
        justify-content: center;
        color: white;
    }
    .xz li{
        width: 20px;
        height: 20px;
        background-color: #aaa;
        text-align: center;
        line-height: 20px;
        margin: 0 5px;
        border-radius: 50%;
        cursor: pointer;
    }
    .xz li.active{
        background-color: red;
    }
    .img-click span{
        width: 30px;
        height: 40px;
        line-height: 40px;
        text-align: center;
        color: white;
        background-color: red;
        position: absolute;
        top: calc(50% - 20px);
        display: none;
        z-index: 1000;
    }
    .img-click span:hover{
        background-color: orange;
        cursor: pointer;
    }
    .img-click .prev{
        left: 0;
    }
    .img-click .next{
        right: 0;
    }
    </style>
</head>
<body>
    <div class="box">
        <ul class="nav">
            <li class="current"><a href="#"><img src="img/01.jpg" alt=""></a></li>
            <li><a href="#"><img src="img/02.jpg" alt=""></a></li>
            <li><a href="#"><img src="img/03.jpg" alt=""></a></li>
            <li><a href="#"><img src="img/04.jpg" alt=""></a></li>
            <li><a href="#"><img src="img/05.jpg" alt=""></a></li>
        </ul>
        <ul class="xz">
            <li class="active">1</li>
            <li>2</li>
            <li>3</li>
            <li>4</li>
            <li>5</li>
        </ul>
        <div class="img-click">
            <span class="prev">&lt;</span>
            <span class="next">&gt;</span>
        </div>

    </div>
   
   <script src="jquery.js"></script>
</body>
</html>
<script>
  var index = 0;
  var timer = setInterval(function(){
      index ++;
           if (index==5) {
               index=0;
           }
            $('.nav li').hide();
           $('.nav li').eq(index).show();
           $('.xz li').eq(index).addClass('active')
           .siblings().removeClass('active');
          $('.xz li').mousemove(function(){
               clearInterval(timer);
               timer = null;
               index=this.index;
                index==$('.nav li').eq(index);
          })
           
  },1000)
</script>